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The most highly specialized order in the subclass Prosobranchia (phylum Mollusca, class Gastropoda). Neogastropods have simplified pallial and...



= Encyclopedia Article; = Research Update
Neogastropoda. (a) Ordovician species of Subulites, widespread Ordovician and Silurian genus. (b) Falsifusus, early Tertiary genus. (c) Miocene species of familiar existing Terebra (Tertiary-Recent). (d, e) Urosalpinx (Tertiary-Recent). (f) Cancellaria (Tertiary-Recent). (After R. R. Shrock and W. H. Twenhofel, Principles of Invertebrate Paleontology, 2d ed., McGraw-Hill, 1953)
From Encyclopedia article 'Neogastropoda'